Should medical personnel with access to narcotics be given regular drug tests?

A Port Neches pharmacist was indicted by a Jefferson County grand jury on a charge of possession of a controlled substance by fraud. The pharmacist, who worked at Walmart on North Twin City Highway in Port Arthur, took the painkiller hydrocodone without a valid prescription while at work, according to court documents. The pharmacist also provided controlled substances to individuals without a valid prescription from a physician, according to court documents.

Should medical personnel with access to narcotics be given regular drug tests?